78586280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1951}}^1$

素因数の和:2034

約数の個数: 64

約数和(自身を含む): 189734400

約数和(自身を除く): 111148120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 1951, 2014, 2120, 3902, 4028, 5035, 7804, 8056, 9755, 10070, 15608, 19510, 20140, 37069, 39020, 40280, 74138, 78040, 103403, 148276, 185345, 206806, 296552, 370690, 413612, 517015, 741380, 827224, 1034030, 1482760, 1964657, 2068060, 3929314, 4136120, 7858628, 9823285, 15717256, 19646570, 39293140, 78586280]

約数ペア:

[(1, 78586280), (2, 39293140), (4, 19646570), (5, 15717256), (8, 9823285), (10, 7858628), (19, 4136120), (20, 3929314), (38, 2068060), (40, 1964657), (53, 1482760), (76, 1034030), (95, 827224), (106, 741380), (152, 517015), (190, 413612), (212, 370690), (265, 296552), (380, 206806), (424, 185345), (530, 148276), (760, 103403), (1007, 78040), (1060, 74138), (1951, 40280), (2014, 39020), (2120, 37069), (3902, 20140), (4028, 19510), (5035, 15608), (7804, 10070), (8056, 9755)]